<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello React!</title>
<script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script>
<script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script>
<script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>

<div id="example"></div>
<script type="text/babel">
	function tick(){
		const element = (
			<div>
				<h1>电子时钟</h1>
				<h2>当前时间为：{new Date().toLocaleTimeString()}.</h2>
			</div>
		);
		ReactDOM.render(
			element,
			document.getElementById('example')
		);
	}

	setInterval(tick,1000);
</script>

</body>
</html>